Levinson, D., & Lawrimore, J. A. State of the climate in 2007.
Cita Chicago Style (17a ed.)Levinson, D.H, 与 J.H. Arguez Lawrimore. State of the Climate in 2007. Department of Commerce of United States of America.
Cita MLA (9a ed.)Levinson, D.H, 与 J.H. Arguez Lawrimore. State of the Climate in 2007.
警告：这些引文格式不一定是100％准确.